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Full text of "Rapid Population Growth Consequences And Policy Implications"

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from which she took the term it means "the disease of the deposed baby when the next one is born."
We investigated this situation in our study of malnutrition among preschool children in rural Colombia. When children were grouped according to the interval between the index, or observed, child and the following sibling and the prevalence of malnutrition calculated for each group, the results shown in Table 15 were obtained. It is clear that only among children who were over 3 years of age at the birth of their following sibling is there an appreciable decline in the prevalence of malnutrition.
TABLE 15
Malnutrition in Preschool Children by Interval until Next Sibling, Candelaria, Colombia, 1963
Interval between			Percent of Children
Child and Next		Percent of Total	in Interval Group
Sibling	Number of Children	Population in	Who Are
(Months)	in Interval Group	Interval Group	Malnourished
12 or less	50	10.2	40.0
13-18	163	33.3	42.9
19-24	140	28.6	40.0
25-30	71	14.5	50.7
31-36	35	7.2	57.1
37-42	19	3.9	26.3
42	11	2.3	27.3
Source: Wray and Aguirre (10).
The number of preschool children in a family provides an indirect measure of spacing or crowding, since the interval must necessarily be short if there are four or more such children in a family. When the preschool children in Candelaria were grouped in this fashion, the results obtained suggested that this is indeed the case, as may be seen in Table 16. In this case, the difference in the rate among children from families with three or less preschool children, and those from families with four or more is statistically significant.*
Finally, in their study in the district of Bang Pa-In (15), our students in Bangkok investigated the association between interval (again between index child and following sibling) and malnutrition and found a similar, statistically significant effect, as indicated in Table 17.
Birth Interval and Prematurity. Eastman, as mentioned earlier, found high rates of prematurity among children born after a "very brief interval (62). she first reported it in 1935 (65). In discussing